參數(shù)資料
型號: SAA-XC886LM-6FFA5V
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 96 MHz, MICROCONTROLLER, PQFP48
封裝: GREEN, PLASTIC, TQFP-48
文件頁數(shù): 111/134頁
文件大?。?/td> 4390K
代理商: SAA-XC886LM-6FFA5V
SAA-XC886CLM
Functional Description
Data Sheet
71
V1.1, 2010-08
PLL Mode
The system clock is derived from the oscillator clock, multiplied by the N factor, and
divided by the P and K factors. Both VCO bypass and PLL bypass must be inactive for
this PLL mode. The PLL mode is used during normal system operation.
(3.3)
System Frequency Selection
For the SAA-XC886, the value of P is fixed to 1. In order to obtain the required fsys, the
value of N and K can be selected by bits NDIV and KDIV respectively for different
oscillator inputs. The output frequency must always be configured for 96 MHz. Table 23
provides examples on how
f
sys = 96 MHz can be obtained for the different oscillator
sources.
Table 23
System frequency (
f
sys =96MHz)
Oscillator
Fosc
N
P
K
Fsys
On-chip
9.6 MHz
20
1
2
96 MHz
External
8 MHz
24
1
2
96 MHz
6 MHz
32
1
2
96 MHz
4 MHz
48
1
2
96 MHz
f
SYS
f
OSC
N
PK
×
-------------
×
=
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參數(shù)描述
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